Home / 1,464,213.60-2,021,348.56-920,648.40

Finding the Fourth Proportional to 1,464,213.60, 2,021,348.56 and 920,648.40

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Solution

The fourth proportional to 1,464,213.60, 2,021,348.56 and 920,648.40 is: 1,270,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,213.60 : 2,021,348.56 = 920,648.40 : x
  2. Step 2: Convert to fraction form
    1,464,213.60/2,021,348.56 = 920,648.40/x
  3. Step 3: Cross multiply
    1,464,213.60x = 2,021,348.56 × 920,648.40
  4. Step 4: Simplify right side
    1,464,213.60x = 1,860,951,317,606.30
  5. Step 5: Solve for x
    x = 1,860,951,317,606.30/1,464,213.60
  6. Step 6: Final answer
    x = 1,270,956.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.